In this issue's cover story (pp. 23-27), retired energy executive and Princeton Univ. industrial lecturer Vern Weekman gazes into a proverbial crystal ball to get a glimpse of society's energy mix in the year 2050. He sees growth in non-CO2-producing sources, such as nuclear, wind, solar, and biofuels...

By mid-century, new energy sources could be integrated into the existing chemical-conversion infrastructure, but additional research is needed to fine-tune the technologies and improve efficiencies and economics.

Slurry agitation involves complicated processes. This article presents guidelines for understanding the rheology of cellulosic and other fibrous materials, and outlines a method for scaling up their agitation.

A project team is more than a group of talented professionals. It is an interdependent unit, empowered with understanding, accountabilities and mutual support that permit it to achieve goals — both organizational and personal — more efficiently and...

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